Professor Joseph Stiglitz Cited by the BBC
'The most important number you've never heard of'
As the impacts of climate change add up, economists are trying to figure out what the true cost of a tonne of carbon really is. . .
. . . The two have argued that the way the social cost of carbon was calculated overestimates of the costs of climate action and underestimates its benefits, and so puts the figure too low. At the moment, in the US the SCC is valued at $51 (£37) a tonne, but Stern and Stiglitz believe that it should not be much below $100 (£74) per tonne by 2030 . . .